The hotel had always been run in a slipshod way.

该酒店的管理一向马虎。

This is very slipshod work.

这活儿做得太糙。

Don't do your work in a slipshod manner. You should be conscientious and have a sense of responsibility.

对工作不能随随便便，要认真负责。

The subject is taught in a slipshod manner.

那门课没有用认真的方式教。

You're too slipshod about your presentation.

你表达得太不认真。